fork() is returning > 0 ???

[Merlinus Ambrosius]

Can you explain why in this piece of code, fork() is returning a value
other than -1 or 0?  When it works fine in other situations in the same
program?  I tried changing 
    switch (fork ()) {
to
    switch (fix = fork ()) {
where fix is declared as an int, no difference (as expected), fix does get
the pid of the child.

    switch (fork ()) {
    case -1:
        Msg (errno, "fork");
        /*NOTREACHED*/
    case 0:
        break;
    default:
        Attacher ();
        /*NOTREACHED*/
    }

It always ends up in the default case, which shouldn't be happening.
For now, I'm just going to stick a break in the default before it calls
Attacher(), but any ideas on what could be going on here would be wonderful.

Thanks,
		Eric
-- 
/----------"Oh carrots are divine, you get a dozen for dime, its maaaagic."--
|Eric (the "Mentat-Philosopher") Hendrickson	      University of Minnesota
|eric at ux.acs.umn.edu	ehend at hp370b.cfsmo.honeywell.com   The game is afoot!
\---"What does 'masochist' and 'amnesia' mean?   Beats me, I don't know."----